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ABC Dragonfly: Radial Engine, Science Museum (London), ABC Motors, Granville Bradshaw, ABC Wasp, William Weir, 1st Viscount Weir, Sopwith Dragon
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| Please note that the content of this book primarily consists of articles
available from Wikipedia or other free sources online. The ABC Dragonfly
was a British radial engine developed towards the end of First World
War. It was expected to deliver excellent performance for the time and
was ordered in very large numbers. It proved, however, to be extremely
unreliable and was abandoned when its faults were unable to be
corrected. ABC Motors was founded in 1911 by Granville Bradshaw, who was
also the company's chief designer. In 1917, after initial promising
tests of the ABC Wasp air-cooled radial, Bradshaw produced a design for
a larger and more powerful engine, the nine-cylinder Dragonfly. The
engine was simple and easy to produce, and was predicted to give 340 hp
(254 kW) for a weight of 600 lb (273 kg). One distinctive feature was
the use of copper-plated cooling fins, which were claimed by Bradshaw to
be so effective that water would not boil on the surface of the
radiators. |
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